The social cost of carbon — an important figure that global policymakers use to analyze the benefits of climate and energy policies — is too low, according to a study led by the University of California, Davis.

Whales are threatened by a variety of human activities off the West Coast of the United States, including fishing, ship traffic and pollution. Overlap between these stressors can compound effects on whale populations, but are rarely addressed by current whale-protection policies in California, according to a study from the University of California, Davis.